Lock



J. L. YATES.

LOCK. APPLICATION FILED `JUNE 2I. I92o.

2 SHEETS-SHEET l.'

Patented 1m29, 1921.

l. L. YATES.

v LOCK.

APPLICATION FILED JUNE 21, 1920.

l To all whom t mag/ concern uNirEjn sTA'rESf iATENT OFFICE- i .JOHN I.. YAi'Esor NEW YORK, NKY.. i

Loox. 'Y

' Application led June 21,

-. VBe it known that I, JOHN L, Y-Arns, a citizen of the United States, andV a resident of the city of-New York, Van Nest, borough of the Bronx,in the countyrof Bronxand State of New York, have invented a new and Improved Lock, of which the followingis a full, clear, and exact description.

This invention relates to builders hardware, and has particular reference to key controlled locks having a combined spring catch and slidable bolt assemblage.

Among the objects of the invention, therefore, is to provide acombination catch and bolt lock apparatus having means on the inside of the door for manipulating either the catch or the bolt without a key, but having means within the -lock whereby the catch and thebolt are movable independently of each other by the same key in different po-- sitions. v

/Vith the foregoing and other objects in view the invention consists in the arrangement and combination of partsv hereinafter described and claimed, and while-the invention ispnot restricted tothe exact details of construction disclosed or suggestedherein, still for the purpose lof illustrating a practical embodiment lthereof reference 'is had tothe accompanying drawings, in which like reference characters designate the same parts in the several views, and in whichn Figure 1 is an inside elevation ofa door equippedl with my improved lock.

Fig. 2 isan enlarged vertical section -of theisame on the line 2-.-2.

oiFig. 2, lookingoutward.

- Fig. 3 is a verticalsection on the line 343 Fig. f4lis4 a view on the lineg4--4 looking inward. K Y f E y Y y Fig.r is averticalI section on the line`5-5 of Fig. 2.

jFigfG v's fafacefview of one of the'clutch wheels. v f- Fig. 7 is anv enlarged longitudinal-section of the key barrel.

Fig. 8 is a transverse sectionofthel same on the lineg8-8; and

:Fig 9 isa side elevation of atype loflkey employed'to manipulate the lock on the out? side.v Y f v `Referring now more specifically to the drawings my lockwill be understoodas cornprising a main casing 10 mortised or otherwise ttedinto the striking edge of a door 11,- and whichcontains the principal parts 1920. ,seriaieiva'saama l orftheikey controlled mechanism. The'outer f! L wall :offthe-V casing 10 is fitted kwith akey barrel V412l secured therein'f'in anysuitable manner from the outside of vthe door. v.13 indicates an auxiliary; casing littedtov the inner wall 14 of the main :casing and serving -l tohouse the 'bolt 15 ande-catch 16 and .the devices associated ,intimately therewith .fortheir` manipulation either by the key-.from

the outside of the door or manually fronithe'L inside lof the door,

.' The bolt 15 is shown as slidable through oracross the striking edge of the doorv into a socket-,17 carried by the door jamb`v 18 and to the stem 19 of the bolt, slidable in a keeper 20, is pivotally. attached a link 21 to s v;,

the remote end of which is connected .a'bell crank 22 pivoted atf23. Arack 24'is connected at its upper end to the opposite/arm of V-thebell crankA and is movable lup and `down inV fixed keepers 25 and-,26, the teeth of the rack meshing permanently with a f gear y27 locked within the lauxiliary casingzl and fixed to-the inner end of ashaft28. The shaft 28 extends outward through the casing wall 14 and in addition to a bearing x r bushing 29 4may have any other suitable bearings suchas indicated at 30 within the main casing. 28 within the casing. y

v gear 31 is fixed to the lshaft* The catch 16`is adapted to snap-intoa socket 32 in the door jamb by virtueof spring 33 acting thereon, the stem 34 of the catch being slidable through a keeper 35 'and having pivoted t-o its opposite enda link; 36

whileVV the remote end of the linkis pivoted to one arm of the bell crank 37 pivoted at 38., `V Y 39 is another'rackthe-teeth of which mesh with :a gear 40 looselysurrounding theksha'ft 28 and rfixed tothe aforesaid bushing- -or sleeve 29, this gear lying between the gearf27 ff y and tliewall 14. 0n lthev other end ofthe bushing 29 ybetween the'wall 14 and-the gear 3 1 is a gear 41 similar to the gearl in; character. l

For the manual-control 'ofthe l catch f-ro'mfthey inside of the door Iprovide any suitableinger pieces shown as two coaxial rotatableknobs 42 vand 43, thjegl'atter being `jfournaled in the vertical wallof the auxiliary casing 13 and .having laleve'r' 44 extending therefrom' to the point 45- of at? tachrnent directly with fthe link` 36. v i Thus withthe rotation-of the knob 43`to swing the lever 44,in the direction off-the' varrow indicatedthereon in F ig.4 theoatchfl .will be c withdrawn. A similar lever 46 is connected to the end of the shaft 47 to which the knob 42 is fixed and j ournaled in the knob 43, and extends upward to the point of connectionv 48 with the link 21 so that when the knob 42 v catch will be withdrawn against the force of the spring 33 tending to close it.

The normal position of the parts is shown in Fig. 2 at which time ka gear 49 splined upon a counter shaft 50 is in mesh with the gear 31. A clutch gear 51 is mounted loosely the clutch gear 51.

upon the 'shaft 28 and has one or more teeth 52 whereby positive clutch connections may be made between the clutch wheel 53 and the clutch gear 51. The wheel 53 is mounted loosely upon the shaft 28 and is normally held spaced from clutch' gear 51 by virtue of a spring 54 surrounding the shaft between the two clutch members. A gear 55 fixed to the counter shaft is in mesh with The clutch wheel has a central socket 53 adapted to receive the end lug or lugs 56 of a key 57 lwhen it is projected into the lock casing through the barrel 12. When the key is introduced as just stated and forced as far as possible into the casing the clutch wheel 53 is shoved thereby against the tension of the spring 54 so as to cause the teeth 52 to project into a likenumber of holes 52" formed in the periphery of the wheel 53 thereby locking the two clutch members together so that on rotation of the key in this position the rack 24 will be drawn downward and the bolt 15 will be released from its socket 17, the

. action being from the wheel 51, gear 55,

counter shaft 50, gear 49, gear 31, main shaft 28, and gear 27. Durinor this rotation of the key a series of lugs 57 formed on the shank thereof will register with a like series of circular grooves 12a formed in the barrel.

58 indicates what may beV called a master gear `supported within the main casing coaXially ofthe shaft 28 upon a pair of xed pins' 59 and having in its center an open slot 60 to allow the lugs 56 at the end of the key to pass through and having a transverse notch 61 into which said lug or lugs 56 are adapted to be engaged when the key is withdrawn from the socket 53 and given a partial turn in the space between the hubs of the members 53 and 58. When the key lugs are thus engaged in the notches 61 the operator will draw outward against the force of springs 62 surrounding the pins 59 andbring thereby the teeth of the master gear into mesh'with the teeth of a gear 63 journaled looselyupon the counter shaft 50 and constituting a portion of a setting device. The hub of the gear 63 is provided Awith a spiral thread -64 with which engages a yoke 65 slidable upon a guide rod 66 above the counter shaft, the other end of the yoke having constant engagement in the groove of a collar 67 fixed to the gear 49. As shown in Fig. 5 the pins 59 project through a pair of slotsl 68 formed lin the master wheel 58; A partial rotation of the master wheel by means of the key and as may be permitted by the arc shaped Vslots will cause sufficient rotation of the gear 63 and its spiral hub to cause the yoke to lide inward along the guide rod 66 and 'shift the gear 49 out of mesh with the'gear'31 and into'mesh with the gear 41. Vhile the master wheel 58 is being rotated partially for the purpose of shifting the gear 49, a series of lugs 57b near the end of the key will mesh with the aforesaid series of grooves 12a if the proper key is used. If now the key be shoved inward again into the socket 53and reestablish the 'I 50, gears 49 and 41, bushing 29, and gear 40. Y

It will thus be seen that in the operation 'of this lock a plurality of devices operable from or by a single key are required to be manipulated one after the other in order to open the door. The key itself is peculiar in the provision of two independent groups of distinguishing lugs formed along its shank for cooperation in succession `with similarly arranged grooves in another portion of the lock. In Fig. 3 I indicate a diagramof an electric circuit including an audible alarm 69, conductors 70 lfrom which lead through a battery 71 to a pair of spaced terminals 72 adapted to be engaged by the bolt 15 when unlocked and whereby upon completion of the circuit the bell will ring. If the door is being opened authoritatively from the inside of the building this circuit may be broken by meansof a switch 73 to I prevent the ringingof the bell. This alarm is adapted to be sounded when the door ,is being unlocked byan unauthorized person, and since the bolt 15 is released ordinarily in advanceof the catch 16 the alarm will be sounded before the operator will'be able to release .the catch.

' In the adaptation of my improved lock to n outer end of the rock shaft 74 is fixed a lever 76 to the upper and lower ends of which are pivotally attached bolts 77 and 78 respectively slidable in keepers 79 and 80 when the rock shaft 74 is rotated. The bolts 77 and 78 as shown in Fig. 3 are adapted to slide into the paths of movement of the racks 39 and 24 respectively in a locked position and so they constitute blocking means for the racks. By the manipulation of the master gear and the rock shaft as just de.- scribed the blocking bolts 77 and 78 are first withdrawn from the paths of the racks so that by the time the racks and parts attached thereto for the release of the catches l5 and 16 are brought into action the bolts 77 and 78 will have been withdrawn.

I claim:

l. The herein described door lock comprising two independent slidable holding members, and coaxially arranged finger for the actuation of said bolt members in succession from either the inside or the outside of the door.

2. The herein described door lock comprising a casing, two independent slidable holding members within and 1 projecting from the casing, a pair of coaxial finger pieces, one journaled in the casing and the other journaled within the first, and a pair of connecting members between the respective holding members and the aforesaid finger pieces.

3. In a door lock of the class set forth, the combination of a casing, a pair of holding members slidably fitted in the upper and lower portions of the casing parallel to each other, a link connected to each holding member, and actuating means connected to each of said links whereby either of the holding members may be manipulated at either the inside or outside of the door by different IIIGSJIIS.

meshing'with the several racks, and key operated means for operating the gears one after the other. 5. In a door lock, the combination of a holding member, a rotary member, connections between the rotary member and the holding member to manipulate the same, a key having an end lug and means between the key and said rotary member to cause actuation of the latter from the key, said last mentioned means including a pair of spaced wheels with the hubs of which the key is adapted to engage in alternation, setting means cooperating with one of the wheels, a gear movable into mesh with the aforesaid rotaryv member by the setting means, and means to rotate said gear and rotary member upon change of position of the key.

6. The herein described lock comprising a pair of catches, means including slidable racks to manipulate the catches, blocking means lying in locking position in the paths of movement of the racks blocking means the opening movement thereof, and means to withdraw the blocking means from the racks preliminary to the releasing of the catches.l

7. A device as set forth in claim 7 in which the means for manipulating the blocking means consists of a rock shaft, key controlled means for rotating the rock shaft, and a lever connected to the rock shaft and having its ends attached to the blocking means respectively.

JOHN L. YATES. 

